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- // test_thread_clock.cpp ----------------------------------------------------------//
- // Copyright 2009 Vicente J. Botet Escriba
- // Distributed under the Boost Software License, Version 1.0.
- // See http://www.boost.org/LICENSE_1_0.txt
- #include <boost/chrono/thread_clock.hpp>
- #include <boost/type_traits.hpp>
- #include <iostream>
- void test_thread_clock()
- {
- #if defined(BOOST_CHRONO_HAS_THREAD_CLOCK)
- using namespace boost::chrono;
- std::cout << "thread_clock test" << std::endl;
- thread_clock::duration delay = milliseconds(5);
- thread_clock::time_point start = thread_clock::now();
- while (thread_clock::now() - start <= delay)
- ;
- thread_clock::time_point stop = thread_clock::now();
- thread_clock::duration elapsed = stop - start;
- std::cout << "paused " << nanoseconds(elapsed).count() << " nanoseconds\n";
- start = thread_clock::now();
- stop = thread_clock::now();
- std::cout << "thread_clock resolution estimate: " << nanoseconds(stop-start).count() << " nanoseconds\n";
- #else
- std::cout << "thread_clock not available\n";
- #endif
- }
- int main()
- {
- test_thread_clock();
- return 0;
- }
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